Home / 6,288,871.51-8,678,590.50-3,535,571.21

Finding the Fourth Proportional to 6,288,871.51, 8,678,590.50 and 3,535,571.21

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Solution

The fourth proportional to 6,288,871.51, 8,678,590.50 and 3,535,571.21 is: 4,879,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,871.51 : 8,678,590.50 = 3,535,571.21 : x
  2. Step 2: Convert to fraction form
    6,288,871.51/8,678,590.50 = 3,535,571.21/x
  3. Step 3: Cross multiply
    6,288,871.51x = 8,678,590.50 × 3,535,571.21
  4. Step 4: Simplify right side
    6,288,871.51x = 30,683,774,715,179.50
  5. Step 5: Solve for x
    x = 30,683,774,715,179.50/6,288,871.51
  6. Step 6: Final answer
    x = 4,879,058.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.